JetBrains' 2025 Developer Ecosystem Survey of 24,534 developers reveals that 85% now regularly use AI tools, with 62% relying on AI coding assistants that save most users at least an hour weekly. TypeScript leads language growth over five years, while Rust, Go, and Kotlin show steady gains. The industry is shifting from purely technical productivity metrics (DORA) to measuring developer experience, with 66% of developers believing current metrics don't reflect their true contributions. Job market perceptions vary dramatically by region and seniority level, though 52% of developers still code for fun outside work.
Table of contents
AI proficiency is becoming a core skillLanguages and toolsDeveloper productivity: Rethinking what it means to be productiveDeveloper realityMethodologyWrapping upJoin the conversationBe part of the 2026 reportSort: